/* ==========================================================================
   MPL - Motorizacion de Persianas de Local
   Lenguaje visual propio: "CUADRO DE MANIOBRAS"
   - color de su logo real: negro tinta + rojo carmin
   - el rojo NO es un detalle: es superficie, manda en la pagina
   - modulos con etiqueta de cuadro electrico (MOD-01) y piloto LED
   - carril vertical con nodos: el recorrido de la persiana
   ========================================================================== */

:root{
  --tinta:#131316;
  --tinta-2:#2A2A31;
  --gris:#6B6B76;
  --linea:#E2E2E8;
  --papel:#FFFFFF;
  --papel-2:#F4F4F7;
  --rojo:#980B17;          /* el rojo exacto del logo */
  --rojo-vivo:#C4121F;
  --rojo-oscuro:#6E0710;
  --led:#37C86E;
  --ambar:#E9A23B;
  --r:3px;
  --ancho:1140px;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
/* OJO: .btn lleva display:inline-flex y se comia al atributo hidden.
   El boton del desbloqueo manual salia siempre. */
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--papel);color:var(--tinta);
  font-family:var(--sans);font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--rojo);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--rojo-vivo)}
h1,h2,h3,h4{line-height:1.15;margin:0 0 .5em;font-weight:800;letter-spacing:-.015em}
h1{font-size:clamp(2rem,5.2vw,3.2rem)}
h2{font-size:clamp(1.55rem,3.4vw,2.25rem)}
h3{font-size:1.16rem;font-weight:750;letter-spacing:-.01em}
p{margin:0 0 1.05em}
:focus-visible{outline:3px solid var(--rojo-vivo);outline-offset:2px}

.saltar{position:absolute;left:-9999px;top:0;background:var(--tinta);color:#fff;padding:12px 18px;z-index:200}
.saltar:focus{left:8px;top:8px}

.contenedor{width:min(100% - 2.4rem,var(--ancho));margin-inline:auto}

/* ---------- etiqueta de modulo (lo que hace de esta web "un cuadro") ------ */
.ref{
  display:inline-flex;align-items:center;gap:.5em;
  font-family:var(--mono);font-size:.68rem;font-weight:600;
  letter-spacing:.18em;text-transform:uppercase;color:var(--gris);
  margin:0 0 .9rem;
}
.ref::before{
  content:"";width:7px;height:7px;border-radius:50%;
  background:var(--led);box-shadow:0 0 0 3px rgba(55,200,110,.18);
  flex:none;
}
.ref.r-rojo::before{background:var(--rojo-vivo);box-shadow:0 0 0 3px rgba(196,18,31,.2)}
.bloque-rojo .ref,.bloque-tinta .ref{color:rgba(255,255,255,.78)}

/* ---------- cabecera ---------- */
.cabecera{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);border-bottom:1px solid var(--linea);backdrop-filter:saturate(1.4) blur(6px)}
.cabecera-int{display:flex;align-items:center;gap:1rem;min-height:70px}
.logo{display:flex;align-items:center;flex:none}
.logo img{width:132px;height:auto}
.nav{margin-left:auto;display:flex;align-items:center;gap:.2rem}
.nav a{
  color:var(--tinta);text-decoration:none;font-size:.93rem;font-weight:650;
  padding:.55rem .7rem;border-radius:var(--r);white-space:nowrap;
}
.nav a:hover{background:var(--papel-2);color:var(--rojo)}
.nav a[aria-current="page"]{color:var(--rojo);box-shadow:inset 0 -2px 0 var(--rojo)}
.tel-cab{
  display:inline-flex;align-items:center;gap:.5rem;background:var(--rojo);color:#fff!important;
  padding:.6rem 1rem;border-radius:var(--r);font-weight:750;font-size:.95rem;text-decoration:none;
}
.tel-cab:hover{background:var(--rojo-vivo);color:#fff!important}
.abremenu{display:none;margin-left:auto;background:none;border:1px solid var(--linea);border-radius:var(--r);padding:.5rem .6rem;cursor:pointer}
.abremenu span{display:block;width:20px;height:2px;background:var(--tinta);margin:4px 0}

@media (max-width:940px){
  .abremenu{display:block}
  .nav{
    position:fixed;inset:70px 0 auto 0;background:#fff;border-bottom:1px solid var(--linea);
    flex-direction:column;align-items:stretch;gap:0;padding:.5rem 1.2rem 1.2rem;
    margin-left:0;display:none;box-shadow:0 18px 30px -18px rgba(0,0,0,.3);
  }
  .nav.abierto{display:flex}
  .nav a{padding:.85rem .2rem;border-bottom:1px solid var(--linea)}
  .nav a[aria-current="page"]{box-shadow:none;background:var(--papel-2)}
  .tel-cab{justify-content:center;margin-top:.8rem;border-bottom:0}
}

/* ---------- botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:.95rem 1.5rem;border-radius:var(--r);font-weight:750;font-size:1rem;
  text-decoration:none;border:2px solid transparent;cursor:pointer;font-family:inherit;
  transition:transform .12s ease,background .15s ease;
}
.btn:active{transform:translateY(1px)}
.btn-rojo{background:var(--rojo);color:#fff!important}
.btn-rojo:hover{background:var(--rojo-vivo)}
.btn-tinta{background:var(--tinta);color:#fff!important}
.btn-tinta:hover{background:var(--tinta-2)}
.btn-linea{border-color:currentColor;color:var(--tinta)}
.btn-linea:hover{background:var(--papel-2)}
.bloque-rojo .btn-linea,.bloque-tinta .btn-linea{color:#fff}
.bloque-rojo .btn-linea:hover,.bloque-tinta .btn-linea:hover{background:rgba(255,255,255,.12)}
.btn-blanco{background:#fff;color:var(--rojo)!important}
.btn-blanco:hover{background:#f1f1f1}
.botones{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.4rem}

/* ---------- secciones y el carril ---------- */
.seccion{padding:clamp(3.2rem,7vw,5.4rem) 0;position:relative}
.bloque-gris{background:var(--papel-2)}
.bloque-rojo{background:var(--rojo);color:#fff}
.bloque-rojo h2,.bloque-rojo h3{color:#fff}
.bloque-rojo a:not(.btn){color:#fff}
.bloque-tinta{background:var(--tinta);color:#fff}
.bloque-tinta h2,.bloque-tinta h3{color:#fff}

.carril{position:relative;padding-left:2.2rem}
.carril::before{
  content:"";position:absolute;left:6px;top:.55rem;bottom:.35rem;width:2px;
  background:linear-gradient(180deg,var(--rojo) 0 38%,var(--linea) 38% 100%);
}
.carril::after{
  content:"";position:absolute;left:1px;top:.45rem;width:12px;height:12px;border-radius:50%;
  background:var(--rojo);
}
.bloque-rojo .carril::before{background:linear-gradient(180deg,#fff 0 38%,rgba(255,255,255,.28) 38% 100%)}
.bloque-rojo .carril::after,.bloque-tinta .carril::after{background:#fff}
.bloque-tinta .carril::before{background:linear-gradient(180deg,var(--rojo-vivo) 0 38%,rgba(255,255,255,.2) 38% 100%)}
@media (max-width:640px){.carril{padding-left:1.5rem}.carril::before{left:4px}.carril::after{left:0;width:9px;height:9px}}

.entradilla{font-size:1.1rem;color:var(--gris);max-width:66ch}
.bloque-rojo .entradilla,.bloque-tinta .entradilla{color:rgba(255,255,255,.82)}

/* ---------- portada ---------- */
.portada{padding:clamp(2.4rem,5vw,3.8rem) 0 0;background:var(--papel);overflow:hidden}
.portada-rejilla{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(1.6rem,4vw,3.2rem);align-items:center}
@media (max-width:900px){.portada-rejilla{grid-template-columns:1fr}}
.portada h1 .marca{color:var(--rojo)}
.portada .entradilla{font-size:1.16rem;color:var(--tinta-2)}
.chapas{display:flex;flex-wrap:wrap;gap:.45rem;margin:1.3rem 0 0;padding:0;list-style:none}
.chapas li{
  font-family:var(--mono);font-size:.74rem;font-weight:600;letter-spacing:.06em;
  border:1px solid var(--linea);border-left:3px solid var(--rojo);
  padding:.4rem .7rem;border-radius:var(--r);color:var(--tinta-2);background:#fff;
}
.portada-foto{position:relative}
.portada-foto img{border-radius:var(--r);box-shadow:0 26px 44px -26px rgba(0,0,0,.55)}
.pie-foto{
  font-family:var(--mono);font-size:.72rem;color:var(--gris);
  margin-top:.6rem;letter-spacing:.02em;
}

/* ---------- barra de datos ---------- */
.barra-datos{background:var(--tinta);color:#fff;margin-top:clamp(2.4rem,5vw,3.6rem)}
.barra-datos ul{
  list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);
}
.barra-datos li{padding:1.35rem 1.1rem;border-left:1px solid rgba(255,255,255,.12)}
.barra-datos li:first-child{border-left:0}
.barra-datos b{display:block;font-size:1.05rem;letter-spacing:-.01em}
.barra-datos span{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.6)}
@media (max-width:760px){
  .barra-datos ul{grid-template-columns:repeat(2,1fr)}
  .barra-datos li:nth-child(3){border-left:0}
  .barra-datos li:nth-child(n+3){border-top:1px solid rgba(255,255,255,.12)}
}

/* ---------- modulos (tarjetas) ---------- */
.modulos{display:grid;gap:1.1rem;grid-template-columns:repeat(auto-fit,minmax(268px,1fr));margin-top:2rem}
.modulo{
  background:#fff;border:1px solid var(--linea);border-radius:var(--r);
  padding:1.5rem 1.4rem;position:relative;
}
.modulo::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:var(--rojo);
  border-radius:var(--r) var(--r) 0 0;transform:scaleX(.16);transform-origin:left;
  transition:transform .35s ease;
}
.modulo:hover::before{transform:scaleX(1)}
.modulo h3{margin-bottom:.45rem}
.modulo p{margin:0;color:var(--gris);font-size:.97rem}
.modulo .num{
  font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;color:var(--rojo);
  font-weight:700;display:block;margin-bottom:.6rem;
}
.bloque-gris .modulo{background:#fff}
.bloque-rojo .modulo{background:rgba(0,0,0,.16);border-color:rgba(255,255,255,.22)}
.bloque-rojo .modulo p{color:rgba(255,255,255,.85)}
.bloque-rojo .modulo .num{color:#fff}
.bloque-rojo .modulo::before{background:#fff}
.bloque-tinta .modulo{background:#1D1D22;border-color:rgba(255,255,255,.14)}
.bloque-tinta .modulo p{color:rgba(255,255,255,.75)}
.bloque-tinta .modulo h3{color:#fff}

/* ---------- pasos ---------- */
.pasos{list-style:none;margin:2rem 0 0;padding:0;counter-reset:p;display:grid;gap:1.05rem;grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.pasos li{counter-increment:p;padding:1.3rem 1.2rem 1.3rem 1.2rem;border:1px solid var(--linea);border-radius:var(--r);background:#fff;position:relative}
.pasos li::before{
  content:counter(p,decimal-leading-zero);
  font-family:var(--mono);font-size:1.5rem;font-weight:700;color:var(--rojo);
  display:block;margin-bottom:.35rem;line-height:1;
}
.pasos b{display:block;margin-bottom:.25rem}
.pasos p{margin:0;font-size:.95rem;color:var(--gris)}

/* ---------- antes / despues ---------- */
.comparativa{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;margin-top:2rem}
@media (max-width:760px){.comparativa{grid-template-columns:1fr}}
.comparativa figure{margin:0;border:1px solid var(--linea);border-radius:var(--r);overflow:hidden;background:#fff}
.comparativa img{width:100%;aspect-ratio:3/2;object-fit:cover}
.comparativa figcaption{padding:1rem 1.1rem;font-size:.95rem;color:var(--gris)}
.comparativa figcaption b{display:block;color:var(--tinta);font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:.35rem}
.comparativa .antes figcaption b{color:var(--gris)}
.comparativa .despues figcaption b{color:var(--rojo)}

/* ---------- galeria ---------- */
.galeria{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin-top:2rem}
.galeria figure{margin:0}
.galeria img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--r);border:1px solid var(--linea)}
.galeria figcaption{font-size:.88rem;color:var(--gris);margin-top:.55rem}

/* ---------- lista de comprobacion ---------- */
.lista-si{list-style:none;margin:1.4rem 0 0;padding:0;display:grid;gap:.7rem}
.lista-si li{position:relative;padding-left:1.85rem;font-size:1rem}
.lista-si li::before{content:"";position:absolute;left:0;top:.55em;width:10px;height:10px;background:var(--rojo);border-radius:2px}
.lista-no li::before{background:transparent;border:2px solid var(--linea);border-radius:2px;top:.5em}
.bloque-rojo .lista-si li::before{background:#fff}

/* ---------- desplegables (FAQ) ---------- */
.faq{margin-top:2rem;border-top:1px solid var(--linea)}
.faq details{border-bottom:1px solid var(--linea)}
.faq summary{
  cursor:pointer;padding:1.15rem 2.4rem 1.15rem 0;font-weight:700;font-size:1.03rem;
  position:relative;list-style:none;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:.35rem;top:1.45rem;width:11px;height:11px;
  border-right:2px solid var(--rojo);border-bottom:2px solid var(--rojo);
  transform:rotate(45deg);transition:transform .2s ease;
}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq .respuesta{padding:0 0 1.25rem;color:var(--gris);max-width:74ch}
.faq .respuesta p:last-child{margin-bottom:0}

/* ---------- llamada final ---------- */
.cierre{text-align:center}
.cierre .botones{justify-content:center}
.cierre h2{max-width:22ch;margin-inline:auto}
.cierre p{max-width:56ch;margin-inline:auto}

/* ---------- pie ---------- */
.pie{background:var(--tinta);color:rgba(255,255,255,.72);padding:3.2rem 0 2rem;font-size:.95rem}
.pie-rejilla{display:grid;gap:2rem;grid-template-columns:1.4fr 1fr 1fr}
@media (max-width:820px){.pie-rejilla{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.pie-rejilla{grid-template-columns:1fr}}
.pie .pie-tit{color:#fff;font-size:.72rem;font-family:var(--mono);letter-spacing:.18em;text-transform:uppercase;margin-bottom:1rem;font-weight:700}
.pie ul{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}
.pie a{color:rgba(255,255,255,.82);text-decoration:none}
.pie a:hover{color:#fff;text-decoration:underline}
.pie-logo{background:#fff;display:inline-block;padding:.7rem .9rem;border-radius:var(--r);margin-bottom:1rem}
.pie-logo img{width:150px}
.pie-legal{
  margin-top:2.4rem;padding-top:1.4rem;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:.4rem 1.2rem;font-size:.85rem;color:rgba(255,255,255,.55);
}
.pie-legal a{color:rgba(255,255,255,.7)}

/* ---------- barra fija de movil ---------- */
.barra-movil{
  position:fixed;left:0;right:0;bottom:0;z-index:120;display:none;
  background:rgba(19,19,22,.97);backdrop-filter:blur(6px);
  padding:.6rem .8rem calc(.6rem + env(safe-area-inset-bottom));gap:.6rem;
}
.barra-movil a{flex:1;padding:.85rem .6rem;font-size:.97rem}
@media (max-width:760px){
  .barra-movil{display:flex}
  body{padding-bottom:74px}
}

/* ---------- texto legal ---------- */
.legal{max-width:78ch}
.legal h2{font-size:1.35rem;margin-top:2.4rem}
.legal h3{margin-top:1.8rem}
.legal ul{padding-left:1.2rem}
.legal li{margin-bottom:.4rem}

/* ---------- 404 ---------- */
.cuatro{min-height:58vh;display:flex;align-items:center;text-align:center}
.cuatro .codigo{font-family:var(--mono);font-size:clamp(4rem,16vw,9rem);font-weight:700;color:var(--rojo);line-height:1;margin:0}

/* ==========================================================================
   EL CUADRO DE MANIOBRAS (lo propio de esta web)
   ========================================================================== */
.cuadro{
  display:grid;grid-template-columns:1.15fr .85fr;gap:1.6rem;margin-top:2.2rem;
  align-items:start;
}
@media (max-width:900px){.cuadro{grid-template-columns:1fr}}

.escena{
  background:#1A1A1F;border:1px solid rgba(255,255,255,.16);border-radius:var(--r);
  padding:.9rem;position:relative;overflow:hidden;
}
.escena svg{width:100%;height:auto;display:block;border-radius:2px}

.panel{
  background:#fff;border:1px solid var(--linea);border-radius:var(--r);padding:1.2rem 1.1rem;
}
.bloque-tinta .panel,.bloque-rojo .panel{background:#fff;color:var(--tinta)}
.panel h3{margin:0 0 .2rem;color:var(--tinta)}
.panel .ayuda{font-size:.9rem;color:var(--gris);margin:0 0 1rem}

.mando{
  display:flex;gap:.5rem;margin-bottom:1rem;
}
.mando button{
  flex:1;font-family:var(--mono);font-size:1.15rem;font-weight:700;
  padding:.85rem .4rem;border:2px solid var(--tinta);background:#fff;color:var(--tinta);
  border-radius:var(--r);cursor:pointer;line-height:1;
}
.mando button:hover:not(:disabled){background:var(--tinta);color:#fff}
.mando button[aria-pressed="true"]{background:var(--rojo);border-color:var(--rojo);color:#fff}
.mando button:disabled{opacity:.32;cursor:not-allowed}

.interruptores{display:grid;gap:.55rem;margin-bottom:1rem}
.sw{
  display:flex;align-items:center;gap:.7rem;padding:.65rem .75rem;
  border:1px solid var(--linea);border-radius:var(--r);cursor:pointer;font-size:.94rem;
  background:#fff;text-align:left;width:100%;font-family:inherit;color:var(--tinta);
}
.sw:hover{border-color:var(--tinta)}
.sw .luz{
  width:12px;height:12px;border-radius:50%;background:#D4D4DC;flex:none;
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.12);
}
.sw[aria-pressed="true"] .luz{background:var(--led);box-shadow:0 0 0 3px rgba(55,200,110,.22)}
.sw[aria-pressed="true"]{border-color:var(--led)}
.sw.peligro[aria-pressed="true"] .luz{background:var(--ambar);box-shadow:0 0 0 3px rgba(233,162,59,.22)}
.sw.peligro[aria-pressed="true"]{border-color:var(--ambar)}
.sw b{font-weight:700}
.sw small{display:block;color:var(--gris);font-size:.82rem;line-height:1.35}

.visor{
  font-family:var(--mono);font-size:.82rem;line-height:1.5;
  background:var(--tinta);color:#EDEDF2;border-radius:var(--r);padding:.8rem .9rem;
  min-height:5.6em;
}
.visor .estado{color:var(--led);display:block;letter-spacing:.08em;margin-bottom:.35rem}
.visor .estado.alerta{color:var(--ambar)}
.visor .estado.mal{color:#FF7A73}
.visor .aviso{color:rgba(255,255,255,.86);display:block}

.escena.tiembla{animation:golpe .34s ease}
@keyframes golpe{
  0%,100%{transform:translateX(0)}
  20%{transform:translateX(-4px)}
  45%{transform:translateX(4px)}
  70%{transform:translateX(-2px)}
}
@media (prefers-reduced-motion:reduce){.escena.tiembla{animation:none}}

/* ---------- comparador de motores (pagina tipos-de-motor) ---------- */
.pestanas{display:flex;gap:.4rem;margin-top:2rem;flex-wrap:wrap}
.pestanas button{
  font-family:var(--mono);font-size:.8rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  padding:.75rem 1.1rem;border:1px solid var(--linea);background:#fff;color:var(--gris);
  border-radius:var(--r);cursor:pointer;
}
.pestanas button[aria-selected="true"]{background:var(--rojo);border-color:var(--rojo);color:#fff}
.hoja{
  border:1px solid var(--linea);border-top:3px solid var(--rojo);border-radius:var(--r);
  padding:1.6rem 1.5rem;margin-top:-1px;background:#fff;
  display:grid;grid-template-columns:1fr 1fr;gap:1.6rem;align-items:start;
}
@media (max-width:760px){.hoja{grid-template-columns:1fr}}
.hoja[hidden]{display:none}
.hoja img{border-radius:var(--r);width:100%;aspect-ratio:4/3;object-fit:cover}
.hoja h3{margin-top:0}
.hoja dl{margin:1.1rem 0 0;display:grid;grid-template-columns:auto 1fr;gap:.5rem 1rem;font-size:.95rem}
.hoja dt{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gris);padding-top:.25em}
.hoja dd{margin:0}

/* ---------- aparecer al bajar (solo opacidad y desplazamiento) ----------
   OJO (leccion del 07/08): nunca esconder con clip-path/visibility lo que
   vigila el observador. Aqui se vigila la SECCION y se esconde con opacidad.  */
.aparece{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease}
.visto .aparece{opacity:1;transform:none}
.visto .aparece:nth-child(2){transition-delay:.06s}
.visto .aparece:nth-child(3){transition-delay:.12s}
.visto .aparece:nth-child(4){transition-delay:.18s}
@media (prefers-reduced-motion:reduce){
  .aparece{opacity:1;transform:none;transition:none}
}